Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
R E F S N A R T I
H N R Q H G Y N Y
O E I Y N U S X D
T R A M Y U T N E
B G X T L P O E R
K Y W A G D V I I
N D T M U H E Q F
C O L D K R U Z A
R X E D O R O B Y
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